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  <title>render (Vu::Label)</title>
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  <pre><span class="ruby-comment cmt"># File Vu/Label.rb, line 43</span>
                <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">render</span> (<span class="ruby-identifier">cr</span>)
                        <span class="ruby-identifier">cr</span>.<span class="ruby-identifier">set_source_rgb</span>(<span class="ruby-value">0</span>,<span class="ruby-value">0</span>,<span class="ruby-value">0</span>)
                        <span class="ruby-identifier">font</span>.<span class="ruby-identifier">set_on_context</span>(<span class="ruby-identifier">cr</span>)
                        
                        <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@cached_text_extents</span>
                                <span class="ruby-ivar">@cached_text_extents</span> = <span class="ruby-identifier">cr</span>.<span class="ruby-identifier">text_extents</span>(<span class="ruby-identifier">text</span>)
                        <span class="ruby-keyword kw">end</span>
                        <span class="ruby-identifier">x</span> = <span class="ruby-identifier">width</span><span class="ruby-operator">/</span><span class="ruby-value">2</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@cached_text_extents</span>.<span class="ruby-identifier">x_bearing</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@cached_text_extents</span>.<span class="ruby-identifier">width</span><span class="ruby-operator">/</span><span class="ruby-value">2</span>
                        <span class="ruby-identifier">y</span> = <span class="ruby-identifier">height</span><span class="ruby-operator">/</span><span class="ruby-value">2</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@cached_text_extents</span>.<span class="ruby-identifier">y_bearing</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@cached_text_extents</span>.<span class="ruby-identifier">height</span><span class="ruby-operator">/</span><span class="ruby-value">2</span>
                        <span class="ruby-identifier">cr</span>.<span class="ruby-identifier">move_to</span>(<span class="ruby-identifier">x</span>,<span class="ruby-identifier">y</span>)
                        <span class="ruby-identifier">cr</span>.<span class="ruby-identifier">show_text</span>(<span class="ruby-identifier">text</span>)
                <span class="ruby-keyword kw">end</span></pre>
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